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# What Is the Formula for the Surface Area of a Triangular Prism?

The formula for the surface area of a triangular prism is SA = bh + (s1 + s2 + s3)H. In this formula, "b" is the triangle base, "h" is the triangle height, "s1," "s2" and "s3" are the three triangle sides, and "H" is the length of the prism.

Continue ReadingA triangular prism can be thought of as two triangles and three quadrilaterals, so finding the total surface area involves finding the area of each of the five shapes and adding them together.

The area of a triangle is one half of the base multiplied by the height. The area of a quadrilateral is the base multiplied by the height.

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Q:
## What Is the Surface Area of a Rectangular Prism?

A: The surface area of a rectangular prism is the combined surface areas of all six of its sides. Because opposing sides are always the same size, the total s... Full Answer >Filed Under: -
Q:
## How Do You Find the Volume of a Prism?

A: The volume of a prism is worked out by first calculating the area of the surface and then multiplying that figure by the length of the prism. This applies ... Full Answer >Filed Under: -
Q:
## How Do You Find the Surface Area of a Cylinder?

A: The surface area of a cylinder is equal to the sum of the surface area of the circles on either end and the surface area of the side. The surface area of t... Full Answer >Filed Under: -
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## What Is the Formula for Finding the Volume of a Trapezoidal Prism?

A: The formula is the length of the prism times the area of the trapezoid, which is one-half times (a+b) times the height; the area is also called the cross-s... Full Answer >Filed Under: